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Water-cooling water chilling unit and energy-saving operation control method thereof

A chiller and operation control technology, which is applied in the field of air conditioning, can solve problems such as energy waste and reduce user experience, and achieve the effects of improving reliability and service life, improving user experience, and reducing use costs

Active Publication Date: 2016-03-30
CHONGQING MIDEA GENERAL REFRIGERATING EQUIP +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This method will cause frequent fault alarms and shutdowns of the unit, greatly reducing user experience and causing energy waste

Method used

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  • Water-cooling water chilling unit and energy-saving operation control method thereof
  • Water-cooling water chilling unit and energy-saving operation control method thereof
  • Water-cooling water chilling unit and energy-saving operation control method thereof

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Embodiment Construction

[0021] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0022] The energy-saving operation control method of the water-cooled chiller and the water-cooled chiller according to the embodiments of the present invention are described below with reference to the accompanying drawings.

[0023] figure 1 It is a flow chart of an energy-saving operation control method of a water-cooled chiller according to an embodiment of the present invention. like figure 1 As shown, the energy-saving operation control method of the water-cooled chiller includes the following steps:

[0024] S1, real-ti...

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Abstract

The invention discloses a water-cooling water chilling unit and an energy-saving operation control method thereof. The method comprises the following steps that the chilled water outlet water temperature of the water-cooling water chilling unit is detected in real time; when the chilled water outlet water temperature of the water-cooling water chilling unit is lower than a first preset temperature, the water-cooling water chilling unit is controlled to execute an unloading action, and the current load of the water-cooling water chilling unit is judged; and if the current load of the water-cooling water chilling unit is less than or equal to the minimum allowable operation load of the water-cooling water chilling unit, a compressor in the water-cooling water chilling unit is controlled to be stopped, and a water-cooling water pump and a cooling tower fan in the water-cooling water chilling unit are shut down. According to the method, frequent alarming and shutdown of the water-cooling water chilling unit can be effectively avoided; the reliability of the water-cooling water chilling unit is improved, and the service life of the water-cooling water chilling unit is prolonged. Meanwhile, the energy resource waste is reduced, the user application cost is reduced, and the user experience is improved.

Description

technical field [0001] The invention relates to the technical field of air conditioning, in particular to an energy-saving operation control method of a water-cooled chiller and a water-cooled chiller. Background technique [0002] Usually, during the operation of the air conditioner, if the user load is relatively small, it will often occur that the chilled water outlet temperature is lower than the target temperature set by the user. [0003] In related technologies, when the chilled water outlet temperature is lower than the target temperature set by the user and the unit has reached the minimum load, the unit is controlled to operate at the minimum load until the unit fails to protect and shut down. This method will cause frequent fault alarms and shutdowns of the unit, greatly reducing user experience and causing energy waste. Contents of the invention [0004] The present invention aims to solve one of the technical problems in the related art at least to a certain ...

Claims

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Application Information

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IPC IPC(8): F25B49/02
CPCF25B49/02F25B2600/0251F25B2600/11F25B2600/13
Inventor 李峰王正华
Owner CHONGQING MIDEA GENERAL REFRIGERATING EQUIP
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